Question 5 1 p The potassium concentration (ppm) in a sample of cement was determined h...

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Answer #1

Caathi 1 - Mol students t = 5150 where, 5= ecară 22 n-1 Sample mean. X = - ł = 68. 87 68.44 76-9 + 67.5 + 67.3 sł. 348.96 169

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